backwash sand filter Articles

  • Removal of heavy metals in an abandoned mine drainage via ozone oxidation: a pilot-scale operation

    The objective of this study was to evaluate the ozone oxidation of dissolved heavy metals in an abandoned mine drainage (AMD) by conducting a pilot-scale operation at two different ozone doses of 7.5 and 24.0 g O3/h into an ozone reactor. A portion of the abandoned mine drainage near the Jungam Mine in Samchuck, Korea was pumped into this pilot-scale plant and used as an influent for the ozone ...


    By IWA Publishing

  • Removal of heavy metals in an abandoned mine drainage via ozone oxidation: a pilot-scale operation

    The objective of this study was to evaluate the ozone oxidation of dissolved heavy metals in an abandoned mine drainage (AMD) by conducting a pilot-scale operation at two different ozone doses of 7.5 and 24.0 g O3/h into an ozone reactor. A portion of the abandoned mine drainage near the Jungam Mine in Samchuck, Korea was pumped into this pilot-scale plant and used as an influent for the ozone ...


    By IWA Publishing

  • Industrial level cartridge filter – design, quality and description!

    Cartridge filters refer to a simple piece of tubular filtration equipment which is designed for various industries for filtration requirements. The cartridge filters are most commonly used for filtration of water from all particles, chemicals, ...


    By Filter Concept Pvt. Ltd.

  • Water Treatment - Torry Quay

    The Client: Civils Contractor The Challenge: Following identification of heavy hydrocarbon impacted water during de-watering works, Soilutions were contacted to provide a solution. Impacted waters comprised significant free phase oil on the surface, significant dissolved phase oils, and unknown sediment loading. Requested flow rates were 60m3/hr. Supervision was ...


    By Soilutions Ltd

  • Test of precoat filtration technology for treatment of swimming pool water

    The technical performance of a precoat filter was compared with that of a traditional sand filter. Particle concentration and size distribution were measured before and after the filtration of swimming pool water. Both the sand and precoat filters could reduce the particle concentration in the effluent. However, higher particle removal efficiency was generally observed for the precoat filter, ...


    By IWA Publishing

  • Alternative filter media for potable water treatment

    Need for Research Roughing filters at London works: Low backwash rates for filters at older works Inability to keep sand clean (rising normalised starting head loss) Vulnerability to algal laden water Loss of production at critical times during the year Objective: identify mono-medium & dual media alternatives to BSS 14/25 ...


    By Filtralite - Leca Norge AS

  • Problematic algae in the sedimentation and filtration process of water treatment plants

    Problematic algae, species that do not settle or are not easily removed by water treatment processes, are common in many water treatment plants (WTPs). We recorded algae in the water that overflowed from sedimentation basins (SBs) to filtration basins of WTPs in South Korea. Diatoms were common and other algae were not discernible in the flocs. Our field observation indicated that long and ...


    By IWA Publishing

  • Case study - Bedrichov water treatment plant

    By replacing the filter sand with Filtralite, Bedrichov Water Treatment Plant reduced energy cost by 75 %, doubled the production capacity of each filter and today delivers the best drinking water ever Time is running out The use of sand for water filtering is most likely the oldest method in history for treating water for consumption. Sand is still today widely used ...


    By Filtralite - Leca Norge AS

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